ExxonMobil announces new discovery offshore Guyana at Longtail-32021-06-092021-06-09/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px
ExxonMobil said June 9 it made a successful crude oil discovery at its Longtail-3 well…